In your own words, explain how the doppler effect led to the development of the big bang theory

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.

car a and b are moving in opposite directions

plz mark.me the brainliest i rlly need this kind of yours in exchange

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the closer the planet is to the sun, the larger the gravity